ctr_fatfs_interface.h

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/*******************************************************************************
 * Copyright (C) 2016 Gabriel Marcano
 *
 * Refer to the COPYING.txt file at the top of the project directory. If that is
 * missing, this file is licensed under the GPL version 2.0 or later.
 *
 ******************************************************************************/

#ifndef CTR_FATFS_INTERFACE_H_
#define CTR_FATFS_INTERFACE_H_

#include "ctr_io_interface.h"
#include "sdmmc/sdmmc.h"

#include "fatfs/ff.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    ctr_io_interface base;
    FIL *file;
} ctr_fatfs_interface;

//FIXME is it safe to call this function multiple times?
int ctr_fatfs_interface_initialize(ctr_fatfs_interface *io, FIL *file);

void ctr_fatfs_interface_destroy(ctr_fatfs_interface *io);

int ctr_fatfs_interface_read(void *io, void *buffer, size_t buffer_size, uint64_t position, size_t count);

int ctr_fatfs_interface_write(void *io, const void *buffer, size_t buffer_size, uint64_t position);

int ctr_fatfs_interface_read_sector(void *io, void *buffer, size_t buffer_size, size_t sector, size_t count);

int ctr_fatfs_interface_write_sector(void *io, const void *buffer, size_t buffer_size, size_t sector);

uint64_t ctr_fatfs_interface_disk_size(void *io);

size_t ctr_fatfs_interface_sector_size(void *io);

#ifdef __cplusplus
}
#endif

#endif//CTR_FATFS_INTERFACE_H_